8550001 has 2 divisors, whose sum is σ = 8550002. Its totient is φ = 8550000.

The previous prime is 8549969. The next prime is 8550007. The reversal of 8550001 is 1000558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8549776 + 225 = 2924^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 8550001 - 2⁵ = 8549969 is a prime.

It is not a weakly prime, because it can be changed into another prime (8550007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275000 + 4275001.

It is an arithmetic number, because the mean of its divisors is an integer number (4275001).

Almost surely, 2^8550001 is an apocalyptic number.

It is an amenable number.

8550001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8550001 is an equidigital number, since it uses as much as digits as its factorization.

8550001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 8550001 is about 2924.0384744391. The cubic root of 8550001 is about 204.4821432550.

Adding to 8550001 its reverse (1000558), we get a palindrome (9550559).

It can be divided in two parts, 85 and 50001, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 8550001 in words is "eight million, five hundred fifty thousand, one".